<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">商品管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" clearable @clear="getGoodList" v-model="queryInfo.query">
            <el-button slot="append" icon="el-icon-search" @click="getGoodList"></el-button>
          </el-input>
        </el-col>

        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="80px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="155px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="120px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              size="mini"
              icon="el-icon-edit"
            ></el-button>
            <el-button
              type="danger"
              size="mini"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分压区域 -->
      <el-pagination
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page.sync="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="sizes, prev, pager, next"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: "List",
  data() {
    return {
      // 分页参数信息
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodsList: [],
      // 总页数
      total: 0,
    };
  },
  created() {
    this.getGoodList();
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败！");
      }
      this.$message.success("获取商品列表成功");
      console.log(res.data);
      this.goodsList = res.data.goods;
      this.total = res.data.total;
      console.log(this.goodsList);
    },
   
    // 每页显示条数发生变化时
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodList()
    },
     // 当前页码发生变化时
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodList();
    },
    // 删除商品
    async removeById(id) {
      const confirmRes = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmRes !== 'confirm') {
          return this.$message.info('已取消删除')
        }
      const { data:res } = await this.$http.delete(`goods/${id}`)
      if(res.meta.status !== 200) {
        return $message.error('删除商品失败')
      }
      this.$message.success('商品删除成功')
      this.getGoodList()
    },
    goAddpage() {
      this.$router.push('/goods/add')
    }
  },
};
</script>

<style scoped>
</style>